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For technical questions, please call 1-800-444-3353.
SKU 68696
Troubleshooting
Problem
Possible Causes
Likely Solutions
Tool will not start.
1. Cord not connected.
2. No power at outlet.
3. Internal damage or wear. (Carbon
brushes or switch, for example.)
1. Check that cord is plugged into 120V
outlet.
2. Check power at outlet. If outlet is
unpowered, turn off tool and check circuit
breaker. If breaker is tripped, make sure
circuit is right capacity for tool and circuit
has no other loads.
3. Have technician service tool.
Tool operates slowly. 1. Tool is set on slow speed setting.
2. Excess pressure applied to workpiece.
3. Power being reduced by too lengthy or
small diameter extension cord.
1. Increase speed setting.
2. Decrease pressure, allow tool to do the
work.
3. Eliminate use of extension cord. If an
extension cord is needed, use one with
the proper diameter for its length and load.
See
Extension Cords
in
GROUNDING
section.
Performance
decreases over time.
Worn internal components.
Have qualified technician service tool.
Excessive noise or
rattling.
Internal damage or wear. (Worn bearings,
for example.)
Have technician service tool.
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by too lengthy or
small diameter extension cord.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator
while blowing dust out of motor using
compressed air.
3. Eliminate use of extension cord. If an
extension cord is needed, use one with
the proper diameter for its length and load.
See
Extension Cords
in
GROUNDING
section.
Tool does not grind,
sand or brush
effectively.
1. Disc accessory may be loose on
Spindle.
2. Disc accessory may be damaged, worn
or wrong type for the material.
1. Be sure disc accessory is of correct
dimension and Collet Nut is tight. Check
tightness of Collet Nut or threaded disc
accessory on Spindle
2. Check condition and type of disc
accessory. Use only proper type of disc
accessory. Accessories must be in good
condition.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
